I was just asking about your uncle because...我之所以问起你叔叔的事

ask about询问； 打听

He went to the station to ask about the trains.

他到火车站却了解火车情况。

He is a bit coy when ask about the source of his income.

问起他收入的来源，他就有些吞吞吐吐。

You crash into somebody's life like a cannonball,突然闯入他人的生命

crash into冲入(闯进；撞到)

Do not brake suddenly,the car behind may crash into you.

别突然刹车，后面的那辆车可能会撞着你车的。

I've got an uncle, too,who turned out to be my father.我也有个叔叔后来发现他其实是我爸爸

turn out to be结果是；原来是；证实是

Software may turn out to be a bigger hurdle.

软件可能成为更大的障碍。

They turn out to be differentiable at 0.

他们在0点也成为可微分的。